多项选择题x.25协议包含三层()。

A.分组层
B.数据链路层
C.物理层
D.传输层
E.网络层


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1.多项选择题Which of the following are types of flow control?()

A.buffering
B.cut-through
C.windowing
D.congestion avoidance
E.load balancing

4.单项选择题

输入哪条命令可以看到以下信息?()

A.display ip routing-table
B.display ospf lsa
C.display ospf database
D.display ospf interface

5.多项选择题What two things will a router do when running a distance vector routing protocol? ()

A.Send periodic updates regardless of topology changes.
B.Send entire routing table to all routers in the routing domain.
C.Use the shortest-path algorithm to the determine best path.
D.Update the routing table based on updates from their neighbors.
E.Maintain the topology of the entire network in its database.

6.多项选择题Which two Ethernet fiber-optic modes support distances of greater than 550 meters?()

A.1000BASE-CX
B.100BASE-FX
C.1000BASE-LX
D.1000BASE-SX
E.1000BASE-ZX

7.多项选择题What are two characteristics of RIPv2?()

A.classful routing protocol
B.variable-length subnet masks
C.broadcast addressing
D.manual route summarization
E.uses SPF algorithm to compute path

10.多项选择题下列静态路由器配置正确的是()。

A.ip route-static 129.1.0.016 serial 0
B.ip route-static 10.0.0.216129.1.0.0
C.ip route-static 129.1.0.01610.0.0.2
D.ip route-static 129.1.0.0255.255.0.010.0.0.2